package strings;
import java.io.*;
public class Hex {
    public static String format(byte[] data){
        StringBuilder result=new StringBuilder();
        int n=0;
        for(byte b:data){
            if(n%16==0)
                result.append(String.format("%05X;",n));
            result.append(String.format("%02X",b));
            n++;
            if(n%16==0)
                result.append("\n");
        }
        result.append("\n");
        return result.toString();
    }

    public static void main(String[] args) throws Exception{

    }
}
